Villages of CC 6-CS080507 T H E • C 1 T Y OF
COPPELL
S 1 9 9
May 7, 2008
GEORGE & SUSAN BOND
227 WINDING HOLLOW LN
COPPELL, TEXAS 75019
Dear Sir or Madam,
The City of Coppell, Engineering Department, has conducted a speed study to evaluate
the effectiveness of the road humps installed on Winding Hollow Lane in an effort to
maintain safety on our streets. The objective of the speed humps is to increase the safety
of vehicles driving on Winding Hollow Lane, by lowering the speed of vehicles.
The overall recorded speed in northbound and southbound directions decreased by
approximately 10.5%. It is our goal to decrease the speed of vehicles in order to better
prepare drivers for the unexpected, which may require abrupt stops. The total stopping
distance is directly related to the speed of moving vehicles, which implies that lowering
the speed of vehicles, results in lowering the time it takes to stop. The fact that speeding
has decreased on Winding Hollow, since the installation of the humps, is reaffirming
news. We will continue to monitor the road humps. We are also anticipating feedback
from our emergency response department because it is imperative that the reaction time
of emergency vehicles is not prolonged.
We have enclosed visuals to provide additional information. If you have any questions,
comments, or suggestions; please forward them to the City of Coppell, Engineering
Office.
Sincerely,
,t�0ulti�
g, Z 74v1
DiWanna Baskins Kenneth Griffin, P.E.
Graduate Engineer Director of Engineering/Public Works
Office: 972/304-3562 Office: 972/304-3686
Fax: 972/304-3570 Email: kgriffinnci.coppell.tx.us
Email: dbaskins a/ci.coppell.tx.us
Attachments
255 PARKWAY * P.O.BOX 9478 * COPPELL TX 75019 * TEL 972/462 0022 * FAX 972/304 3673
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Road Hump y.�ti,�•$° , �
SEPTEMBER 2007 �i ,` •'s `( /°4 9 SEPTEMBER 2007
Before Humps: 29.5 mph r i =; , * "' ry '` Before Humps: 29.9 mph
APRIL 2008 �� f - ," APRIL 2008
After Humps: 27.4 mph . •s \ . 'f.�' ;, t. .--,' . After Humps: 28.5 mph
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Road Humps ,t " �. ►' / x
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tit.k'tif,'" 91 4 APRIL 2008 �.ai : rye, 'p APRIL2008
After Humps: 26.1 mph - 'x ' �'- * ► After Humps: 26.9 mph
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SEPTEMBER 2007 , - - e/ ►. , ' SEPTEMBER 2007
i ��' • • . _ „�� Test Locations I
Before Humps: 32.6 mph ;► , 0 _ Before Humps: 31.2 mph
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APRIL 2008
I% '�`�' uQ ` 'r- ,:; y� APRIL 2008
After Humps: 28.4 mph •,..\'� 9h
p P 9,• After Humps: 28.3 mph
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SPEED HUMP PERFORMANCE 330 N
I 'Feet n
WINDING HOLLOW LN 1inchequals300feet N
Average Speed of Vehicles on Winding Hollow Lane
40
D Before Humps
35
❑After Humps
30 30.6 mph - _ 31.1 mph
L 27.9 mph 27.3 mph
0 25
I
L J
Zr)
Q 20 0 12.2
Cl) 8.8 /o Reduction in Speed
,_ Reduction in Speed
G 15
10 --
5 -
° Average Northbound Average Southbound
NAME OTHER ADDRESS CITY STATE ZIP STREET_NUM
JONES ROBERT R &ARMIDA B 263 WINDING HOLLOW LN COPPELL TEXAS 75019 263
BOND GEORGE F &SUSAN 227 WINDING HOLLOW LN COPPELL TEXAS 75019 227
or Current Reside 660 W PENINSULA DR COPPELL TEXAS 75019 211
GAYLER M L&C M SMITH 210 WINDING HOLLOW LN COPPELL TEXAS 75019 210
ELWONGER KAREN 151 WINDING HOLLOW LN COPPELL TEXAS 75019 151
FRUITHANDLER ERIC & DEBRA 150 WINDING HOLLOW LN COPPELL TEXAS 75019 150
ALEXANDER MICHAEL& LINDA 255 WINDING HOLLOW LN COPPELL TEXAS 75019 255
WEST JON L&JANET L BOYD 604 WINDING HOLLOW CT COPPELL TEXAS 75019 604
DENDY DANIEL D &VALERIE A 605 WINDING HOLLOW CT COPPELL TEXAS 75019 605
ALEXANDER JEANA E 606 WINDING HOLLOW CT COPPELL TEXAS 75019 606
PATTISON FRED P &JANET M 230 WINDING HOLLOW LN COPPELL TEXAS 75019 230
CARNELL GLENN &SUSAN 155 WINDING HOLLOW LN COPPELL TEXAS 75019 155
CRUZ RAUL& ESTHER 601 ALDER CT COPPELL TEXAS 75019 601
SANDERS JOHN R 135 WINDING HOLLOW LN COPPELL TEXAS 75019 135
or Current Residh 115 THORNHILL CIR DOUBLE OAI TEXAS 75077 123
LINE GARY M &CINDY A 119 WINDING HOLLOW LN COPPELL TEXAS 75019 119
EVERETT DAVID N & NANCY Z 134 WINDING HOLLOW LN COPPELL TEXAS 75019 111
EMBREY GARY LEE & EMALYNN W 267 WINDING HOLLOW LN COPPELL TEXAS 75019 267
STANLEY PAUL& NANCY 251 WINDING HOLLOW LN COPPELL TEXAS 75019 251
SMELLEY ROSS W& EVA M 238 WINDING HOLLOW LN COPPELL TEXAS 75019 238
ANDREWS-KATHLEEN E 235 WINDING HOLLOW LN COPPELL TEXAS 75019 235
JOPLIN THOMAS LEE & RONETTE S 226 WINDING HOLLOW LN COPPELL TEXAS 75019 226
218 WINDING HOLLOW LN COPPELL TEXAS 75019 218
DRINKWATER THOMAS W&ANNETTE 207 WINDING HOLLOW LN COPPELL TEXAS 75019 207
WILLIAMS TERRY LEE &C DARLA REE 142 WINDING HOLLOW LN COPPELL TEXAS 75019 142
MCCREADY DRU A&CINDI L 139 WINDING HOLLOW LN COPPELL TEXAS 75019 139
SMITH FRANK M III 110 WINDING HOLLOW LN COPPELL TEXAS 75019 110
LUNDQUIST DANA 103 WINDING HOLLOW LN COPPELL TEXAS 75019 103
SHEAKS JERRY W & PEGGY A 603 WINDING HOLLOW CT COPPELL TEXAS 75019 603
HANSON CHRISTOPHER J &ALLYSON J 231 WINDING HOLLOW LN COPPELL TEXAS 75019 231
GRIMMER STEPHEN &GRIMMER LINDA 234 WINDING HOLLOW LN COPPELL TEXAS 75019 234
HOLMES WALTER C III 154 WINDING HOLLOW LN COPPELL TEXAS 75019 154
ELLIS RONALD &JEANNETTE 259 WINDING HOLLOW LN COPPELL TEXAS 75019 259
HARRIS KENNETH & DONNA DEANN 254 WINDING HOLLOW LN COPPELL TEXAS 75019 254
or Current Reside 820 S MACARTHUR BLVD COPPELL TEXAS 75019 246
YUN MIN SUPAK 215 WINDING HOLLOW LN COPPELL TEXAS 75019 215
FISK DORIS A&JASON P HOLLOMAN 214 WINDING HOLLOW LN COPPELL TEXAS 75019 214
KOLBERG JEFFREY D & DONNA R 203 WINDING HOLLOW LN COPPELL TEXAS 75019 203
PEREZ MONICA J 603 ALDER CT COPPELL TEXAS 75019 603
FERGUSON CINDY L&JOHNATHAN T 159 WINDING HOLLOW LN COPPELL TEXAS 75019 159
TODD DAVID R & LINDA 604 ALDER CT COPPELL TEXAS 75019 604
BELL SUE E& MARY F CLARK 115 WINDING HOLLOW LN COPPELL TEXAS 75019 115
WOLPERT NICHOLAS 602 WINDING HOLLOW CT COPPELL TEXAS 75019 602
WASLIEN DORIS M 250 WINDING HOLLOW LN COPPELL TEXAS 75019 250
HERREID HUGH ROGER &VERNA A 223 WINDING HOLLOW LN COPPELL TEXAS 75019 223
KIRKLEY DOUGLAS W 222 WINDING HOLLOW LN COPPELL TEXAS 75019 222
RIPLEY MICHAEL& NANCY 202 WINDING HOLLOW LN COPPELL TEXAS 75019 202
MCGRAW SCOTT R &JENNIFER L 258 WINDING HOLLOW LN COPPELL TEXAS 75019 258
ODOM DAN A&MARYANNE F 206 WINDING HOLLOW LN COPPELL TEXAS 75019 206
REID JAMES &JUDITH E 143 WINDING HOLLOW LN COPPELL TEXAS 75019 143
R DC DORSE"M Q CATHEFffI—r Current Reside 581 BUCKHEAD AVON LAKE OHIO 44012 130
EVERETT DAVID N & NANCY Z 134 WINDING HOLLOW LN COPPELL TEXAS 75019 134
BOROWY EDWARD A&CAROL L 122 WINDING HOLLOW LN COPPELL TEXAS 75019 122
JOHNSON ROBERT & PAMELA JOHNSON 118 WINDING HOLLOW LN COPPELL TEXAS 75019 118
HILL THOMAS D JR &SALLY 126 WINDING HOLLOW LN COPPELL TEXAS 75019 126
FLORES MARIO A& PAM C 127 WINDING HOLLOW LN COPPELL TEXAS 75019 127
MURCIA JAIRO E or Current Reside 404 ANDREWS AVE APT 5C DALLAS TEXAS 75211 114
106 WINDING HOLLOW LN COPPELL TEXAS 75019 106
AUSLEY DAVID B & DIANE C 247 WINDING HOLLOW LN COPPELL TEXAS 75019 247
RICE SHAWN 242 WINDING HOLLOW LN COPPELL TEXAS 75019 242
VADALA ROBERT & SHERYL VADALA 219 WINDING HOLLOW LN COPPELL TEXAS 75019 219
JOHNSON JEFFREY A& MELISSA H 602 ALDER CT COPPELL TEXAS 75019 602
FRINK PHILIP J & SHANNON H 146 WINDING HOLLOW LN COPPELL TEXAS 75019 146
PERRY NORRIS V& PAMELA K 147 WINDING HOLLOW LN COPPELL TEXAS 75019 147
PUGH NATHANAEL& DANA 131 WINDING HOLLOW LN COPPELL TEXAS 75019 131
ROVIRA ALBERTO A&JOEVA PEAK 107 WINDING HOLLOW LN COPPELL TEXAS 75019 107
STINSON JIM B & SUE S or Current Residi4775 N VIEWPOINT DR APT 4 PRESCOTT 1ARIZONA 86314 102